Home / 45,857.36-68,878.20-40,074.32

Finding the Fourth Proportional to 45,857.36, 68,878.20 and 40,074.32

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Solution

The fourth proportional to 45,857.36, 68,878.20 and 40,074.32 is: 60,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,857.36 : 68,878.20 = 40,074.32 : x
  2. Step 2: Convert to fraction form
    45,857.36/68,878.20 = 40,074.32/x
  3. Step 3: Cross multiply
    45,857.36x = 68,878.20 × 40,074.32
  4. Step 4: Simplify right side
    45,857.36x = 2,760,247,027.82
  5. Step 5: Solve for x
    x = 2,760,247,027.82/45,857.36
  6. Step 6: Final answer
    x = 60,192.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.